From BiblePortal Wikipedia

King James Dictionary [1]

Perpet'Ual, a. L. perpetuus, from perpes, perpetis per and pes, from a root signifying to pass.

1. Never ceasing continuing forever in future time destined to be eternal as a perpetual covenant a perpetual statute.

Literally true with respect to the decrees of the Supreme Being.

2. Continuing or continued without intermission uninterrupted as a perpetual stream the perpetual action of the heart and arteries. 3. Permanent fixed not temporary as a perpetual law or edict perpetual love or amity, perpetual incense.  Exodus 30 4. Everlasting endless.

Destructions are come to a perpetual end.  Psalms 9

5. During the legal dispensation.  Exodus 29

Perpetual curacy, is where all the tithes are appropriated and no vicarage is endowed.

Perpetual motion, motion that generates a power of continuing itself forever or indefinitely, by means of mechanism or some application of the force of gravity not yet discovered,and probably impossible.

Perpetual screw, a screw that acts against the teeth of a wheel and continues its action without end.

Webster's Dictionary [2]

(a.) Neverceasing; continuing forever or for an unlimited time; unfailing; everlasting; continuous.